Median Age in Delaware County, PA
ACS 2024 5-Year Estimates
39.1 years
Rank #2,365/3,222 · #65 in PA
27th
Delaware 39.1 years
PA 40.9 years -4.4%
US 38.9 years +0.5%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How Delaware County's median age of 39.1 years compares to all 3,222 U.S. counties. Values range from 21.4 years to 86.2 years.
Distribution of Median Age Across All Counties
Ranking Context
Counties ranked closest to Delaware County for median age.
Nearby Rankings
Full ranking →| #2,362 | Gaston County, NC | 39.1 years |
| #2,363 | Love County, OK | 39.1 years |
| #2,364 | Rogers County, OK | 39.1 years |
| #2,365 | Delaware County, PA | 39.1 years |
| #2,366 | Dickson County, TN | 39.1 years |
| #2,367 | Maury County, TN | 39.1 years |
| #2,368 | Parker County, TX | 39.1 years |
About Median Age
Delaware County, Pennsylvania has a median age of 39.1 years, ranking #2,365 of 3,222 counties nationwide — 0.5% above the national value of 38.9 years. Within Pennsylvania, it ranks #65 of 67. This places it in the 27th percentile nationally.
The median age of the total population. Source: U.S. Census Bureau, American Community Survey 2024 5-Year Estimates. All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.